Hye-rim is a model prisoner serving out her sentence for murder. With two years left to go, she gets a special outing. Hye-rim gets on a train to Kang-reung to visit her mother's grave. At the place, she meets Min-gi, a young man running away after being involved in a crime organization. Min-gi's persistence melts the heart that was hardened in jail. Hye-rim and Min-gi fall in love.